diff options
Diffstat (limited to 'drivers/scsi/isci/remote_node_context.c')
| -rw-r--r-- | drivers/scsi/isci/remote_node_context.c | 198 |
1 files changed, 90 insertions, 108 deletions
diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index 8a5203b6eb09..c2dfd5a72181 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -81,8 +81,8 @@ * otherwise it will return false bool true if the remote node context is in * the ready state. false if the remote node context is not in the ready state. */ -bool scic_sds_remote_node_context_is_ready( - struct scic_sds_remote_node_context *sci_rnc) +bool sci_remote_node_context_is_ready( + struct sci_remote_node_context *sci_rnc) { u32 current_state = sci_rnc->sm.current_state_id; @@ -93,15 +93,16 @@ bool scic_sds_remote_node_context_is_ready( return false; } -/** - * - * @sci_dev: The remote device to use to construct the RNC buffer. - * @rnc: The buffer into which the remote device data will be copied. - * - * This method will construct the RNC buffer for this remote device object. none - */ -static void scic_sds_remote_node_context_construct_buffer( - struct scic_sds_remote_node_context *sci_rnc) +static union scu_remote_node_context *sci_rnc_by_id(struct isci_host *ihost, u16 id) +{ + if (id < ihost->remote_node_entries && + ihost->device_table[id]) + return &ihost->remote_node_context_table[id]; + + return NULL; +} + +static void sci_remote_node_context_construct_buffer(struct sci_remote_node_context *sci_rnc) { struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; @@ -110,11 +111,11 @@ static void scic_sds_remote_node_context_construct_buffer( struct isci_host *ihost; __le64 sas_addr; - ihost = scic_sds_remote_device_get_controller(idev); - rnc = scic_sds_controller_get_remote_node_context_buffer(ihost, rni); + ihost = sci_remote_device_get_controller(idev); + rnc = sci_rnc_by_id(ihost, rni); memset(rnc, 0, sizeof(union scu_remote_node_context) - * scic_sds_remote_device_node_count(idev)); + * sci_remote_device_node_count(idev)); rnc->ssp.remote_node_index = rni; rnc->ssp.remote_node_port_width = idev->device_port_width; @@ -135,14 +136,14 @@ static void scic_sds_remote_node_context_construct_buffer( if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { rnc->ssp.connection_occupancy_timeout = - ihost->user_parameters.sds1.stp_max_occupancy_timeout; + ihost->user_parameters.stp_max_occupancy_timeout; rnc->ssp.connection_inactivity_timeout = - ihost->user_parameters.sds1.stp_inactivity_timeout; + ihost->user_parameters.stp_inactivity_timeout; } else { rnc->ssp.connection_occupancy_timeout = - ihost->user_parameters.sds1.ssp_max_occupancy_timeout; + ihost->user_parameters.ssp_max_occupancy_timeout; rnc->ssp.connection_inactivity_timeout = - ihost->user_parameters.sds1.ssp_inactivity_timeout; + ihost->user_parameters.ssp_inactivity_timeout; } rnc->ssp.initial_arbitration_wait_time = 0; @@ -164,8 +165,8 @@ static void scic_sds_remote_node_context_construct_buffer( * to its ready state. If the remote node context is already setup to * transition to its final state then this function does nothing. none */ -static void scic_sds_remote_node_context_setup_to_resume( - struct scic_sds_remote_node_context *sci_rnc, +static void sci_remote_node_context_setup_to_resume( + struct sci_remote_node_context *sci_rnc, scics_sds_remote_node_context_callback callback, void *callback_parameter) { @@ -176,8 +177,8 @@ static void scic_sds_remote_node_context_setup_to_resume( } } -static void scic_sds_remote_node_context_setup_to_destory( - struct scic_sds_remote_node_context *sci_rnc, +static void sci_remote_node_context_setup_to_destory( + struct sci_remote_node_context *sci_rnc, scics_sds_remote_node_context_callback callback, void *callback_parameter) { @@ -192,8 +193,8 @@ static void scic_sds_remote_node_context_setup_to_destory( * This method just calls the user callback function and then resets the * callback. */ -static void scic_sds_remote_node_context_notify_user( - struct scic_sds_remote_node_context *rnc) +static void sci_remote_node_context_notify_user( + struct sci_remote_node_context *rnc) { if (rnc->user_callback != NULL) { (*rnc->user_callback)(rnc->user_cookie); @@ -203,99 +204,80 @@ static void scic_sds_remote_node_context_notify_user( } } -static void scic_sds_remote_node_context_continue_state_transitions(struct scic_sds_remote_node_context *rnc) +static void sci_remote_node_context_continue_state_transitions(struct sci_remote_node_context *rnc) { if (rnc->destination_state == SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_READY) - scic_sds_remote_node_context_resume(rnc, rnc->user_callback, + sci_remote_node_context_resume(rnc, rnc->user_callback, rnc->user_cookie); } -/** - * - * @sci_rnc: The remote node context object that is to be validated. - * - * This method will mark the rnc buffer as being valid and post the request to - * the hardware. none - */ -static void scic_sds_remote_node_context_validate_context_buffer( - struct scic_sds_remote_node_context *sci_rnc) +static void sci_remote_node_context_validate_context_buffer(struct sci_remote_node_context *sci_rnc) { + union scu_remote_node_context *rnc_buffer; struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; - union scu_remote_node_context *rnc_buffer; + struct isci_host *ihost = idev->owning_port->owning_controller; - rnc_buffer = scic_sds_controller_get_remote_node_context_buffer( - scic_sds_remote_device_get_controller(idev), - sci_rnc->remote_node_index - ); + rnc_buffer = sci_rnc_by_id(ihost, sci_rnc->remote_node_index); rnc_buffer->ssp.is_valid = true; if (!idev->is_direct_attached && (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP))) { - scic_sds_remote_device_post_request(idev, - SCU_CONTEXT_COMMAND_POST_RNC_96); + sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_96); } else { - scic_sds_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_32); + sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_32); - if (idev->is_direct_attached) { - scic_sds_port_setup_transports(idev->owning_port, - sci_rnc->remote_node_index); - } + if (idev->is_direct_attached) + sci_port_setup_transports(idev->owning_port, + sci_rnc->remote_node_index); } } -/** - * - * @sci_rnc: The remote node context object that is to be invalidated. - * - * This method will update the RNC buffer and post the invalidate request. none - */ -static void scic_sds_remote_node_context_invalidate_context_buffer( - struct scic_sds_remote_node_context *sci_rnc) +static void sci_remote_node_context_invalidate_context_buffer(struct sci_remote_node_context *sci_rnc) { union scu_remote_node_context *rnc_buffer; + struct isci_remote_device *idev = rnc_to_dev(sci_rnc); + struct isci_host *ihost = idev->owning_port->owning_controller; - rnc_buffer = scic_sds_controller_get_remote_node_context_buffer( - scic_sds_remote_device_get_controller(rnc_to_dev(sci_rnc)), - sci_rnc->remote_node_index); + rnc_buffer = sci_rnc_by_id(ihost, sci_rnc->remote_node_index); rnc_buffer->ssp.is_valid = false; - scic_sds_remote_device_post_request(rnc_to_dev(sci_rnc), - SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE); + sci_remote_device_post_request(rnc_to_dev(sci_rnc), + SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE); } -static void scic_sds_remote_node_context_initial_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_initial_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); /* Check to see if we have gotten back to the initial state because * someone requested to destroy the remote node context object. */ if (sm->previous_state_id == SCI_RNC_INVALIDATING) { rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED; - scic_sds_remote_node_context_notify_user(rnc); + sci_remote_node_context_notify_user(rnc); } } -static void scic_sds_remote_node_context_posting_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_posting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *sci_rnc = container_of(sm, typeof(*sci_rnc), sm); + struct sci_remote_node_context *sci_rnc = container_of(sm, typeof(*sci_rnc), sm); - scic_sds_remote_node_context_validate_context_buffer(sci_rnc); + sci_remote_node_context_validate_context_buffer(sci_rnc); } -static void scic_sds_remote_node_context_invalidating_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_invalidating_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); - scic_sds_remote_node_context_invalidate_context_buffer(rnc); + sci_remote_node_context_invalidate_context_buffer(rnc); } -static void scic_sds_remote_node_context_resuming_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_resuming_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); struct isci_remote_device *idev; struct domain_device *dev; @@ -310,73 +292,73 @@ static void scic_sds_remote_node_context_resuming_state_enter(struct sci_base_st */ if ((dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) && idev->is_direct_attached) - scic_sds_port_setup_transports(idev->owning_port, + sci_port_setup_transports(idev->owning_port, rnc->remote_node_index); - scic_sds_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_RESUME); + sci_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_RESUME); } -static void scic_sds_remote_node_context_ready_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_ready_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED; if (rnc->user_callback) - scic_sds_remote_node_context_notify_user(rnc); + sci_remote_node_context_notify_user(rnc); } -static void scic_sds_remote_node_context_tx_suspended_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_tx_suspended_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); - scic_sds_remote_node_context_continue_state_transitions(rnc); + sci_remote_node_context_continue_state_transitions(rnc); } -static void scic_sds_remote_node_context_tx_rx_suspended_state_enter(struct sci_base_state_machine *sm) +static void sci_remote_node_context_tx_rx_suspended_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); + struct sci_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); - scic_sds_remote_node_context_continue_state_transitions(rnc); + sci_remote_node_context_continue_state_transitions(rnc); } -static const struct sci_base_state scic_sds_remote_node_context_state_table[] = { +static const struct sci_base_state sci_remote_node_context_state_table[] = { [SCI_RNC_INITIAL] = { - .enter_state = scic_sds_remote_node_context_initial_state_enter, + .enter_state = sci_remote_node_context_initial_state_enter, }, [SCI_RNC_POSTING] = { - .enter_state = scic_sds_remote_node_context_posting_state_enter, + .enter_state = sci_remote_node_context_posting_state_enter, }, [SCI_RNC_INVALIDATING] = { - .enter_state = scic_sds_remote_node_context_invalidating_state_enter, + .enter_state = sci_remote_node_context_invalidating_state_enter, }, [SCI_RNC_RESUMING] = { - .enter_state = scic_sds_remote_node_context_resuming_state_enter, + .enter_state = sci_remote_node_context_resuming_state_enter, }, [SCI_RNC_READY] = { - .enter_state = scic_sds_remote_node_context_ready_state_enter, + .enter_state = sci_remote_node_context_ready_state_enter, }, [SCI_RNC_TX_SUSPENDED] = { - .enter_state = scic_sds_remote_node_context_tx_suspended_state_enter, + .enter_state = sci_remote_node_context_tx_suspended_state_enter, }, [SCI_RNC_TX_RX_SUSPENDED] = { - .enter_state = scic_sds_remote_node_context_tx_rx_suspended_state_enter, + .enter_state = sci_remote_node_context_tx_rx_suspended_state_enter, }, [SCI_RNC_AWAIT_SUSPENSION] = { }, }; -void scic_sds_remote_node_context_construct(struct scic_sds_remote_node_context *rnc, +void sci_remote_node_context_construct(struct sci_remote_node_context *rnc, u16 remote_node_index) { - memset(rnc, 0, sizeof(struct scic_sds_remote_node_context)); + memset(rnc, 0, sizeof(struct sci_remote_node_context)); rnc->remote_node_index = remote_node_index; rnc->destination_state = SCIC_SDS_REMOTE_NODE_DESTINATION_STATE_UNSPECIFIED; - sci_init_sm(&rnc->sm, scic_sds_remote_node_context_state_table, SCI_RNC_INITIAL); + sci_init_sm(&rnc->sm, sci_remote_node_context_state_table, SCI_RNC_INITIAL); } -enum sci_status scic_sds_remote_node_context_event_handler(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_event_handler(struct sci_remote_node_context *sci_rnc, u32 event_code) { enum scis_sds_remote_node_context_states state; @@ -476,7 +458,7 @@ enum sci_status scic_sds_remote_node_context_event_handler(struct scic_sds_remot } -enum sci_status scic_sds_remote_node_context_destruct(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_destruct(struct sci_remote_node_context *sci_rnc, scics_sds_remote_node_context_callback cb_fn, void *cb_p) { @@ -485,7 +467,7 @@ enum sci_status scic_sds_remote_node_context_destruct(struct scic_sds_remote_nod state = sci_rnc->sm.current_state_id; switch (state) { case SCI_RNC_INVALIDATING: - scic_sds_remote_node_context_setup_to_destory(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_setup_to_destory(sci_rnc, cb_fn, cb_p); return SCI_SUCCESS; case SCI_RNC_POSTING: case SCI_RNC_RESUMING: @@ -493,7 +475,7 @@ enum sci_status scic_sds_remote_node_context_destruct(struct scic_sds_remote_nod case SCI_RNC_TX_SUSPENDED: case SCI_RNC_TX_RX_SUSPENDED: case SCI_RNC_AWAIT_SUSPENSION: - scic_sds_remote_node_context_setup_to_destory(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_setup_to_destory(sci_rnc, cb_fn, cb_p); sci_change_state(&sci_rnc->sm, SCI_RNC_INVALIDATING); return SCI_SUCCESS; case SCI_RNC_INITIAL: @@ -511,7 +493,7 @@ enum sci_status scic_sds_remote_node_context_destruct(struct scic_sds_remote_nod } } -enum sci_status scic_sds_remote_node_context_suspend(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_suspend(struct sci_remote_node_context *sci_rnc, u32 suspend_type, scics_sds_remote_node_context_callback cb_fn, void *cb_p) @@ -530,7 +512,7 @@ enum sci_status scic_sds_remote_node_context_suspend(struct scic_sds_remote_node sci_rnc->suspension_code = suspend_type; if (suspend_type == SCI_SOFTWARE_SUSPENSION) { - scic_sds_remote_device_post_request(rnc_to_dev(sci_rnc), + sci_remote_device_post_request(rnc_to_dev(sci_rnc), SCU_CONTEXT_COMMAND_POST_RNC_SUSPEND_TX); } @@ -538,7 +520,7 @@ enum sci_status scic_sds_remote_node_context_suspend(struct scic_sds_remote_node return SCI_SUCCESS; } -enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_resume(struct sci_remote_node_context *sci_rnc, scics_sds_remote_node_context_callback cb_fn, void *cb_p) { @@ -550,8 +532,8 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ if (sci_rnc->remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) return SCI_FAILURE_INVALID_STATE; - scic_sds_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); - scic_sds_remote_node_context_construct_buffer(sci_rnc); + sci_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_construct_buffer(sci_rnc); sci_change_state(&sci_rnc->sm, SCI_RNC_POSTING); return SCI_SUCCESS; case SCI_RNC_POSTING: @@ -567,7 +549,7 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ struct isci_remote_device *idev = rnc_to_dev(sci_rnc); struct domain_device *dev = idev->domain_dev; - scic_sds_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); /* TODO: consider adding a resume action of NONE, INVALIDATE, WRITE_TLCR */ if (dev->dev_type == SAS_END_DEV || dev_is_expander(dev)) @@ -584,11 +566,11 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ return SCI_SUCCESS; } case SCI_RNC_TX_RX_SUSPENDED: - scic_sds_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); sci_change_state(&sci_rnc->sm, SCI_RNC_RESUMING); return SCI_FAILURE_INVALID_STATE; case SCI_RNC_AWAIT_SUSPENSION: - scic_sds_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); + sci_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); return SCI_SUCCESS; default: dev_warn(scirdev_to_dev(rnc_to_dev(sci_rnc)), @@ -597,7 +579,7 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ } } -enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_start_io(struct sci_remote_node_context *sci_rnc, struct isci_request *ireq) { enum scis_sds_remote_node_context_states state; @@ -622,7 +604,7 @@ enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_nod return SCI_FAILURE_INVALID_STATE; } -enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc, +enum sci_status sci_remote_node_context_start_task(struct sci_remote_node_context *sci_rnc, struct isci_request *ireq) { enum scis_sds_remote_node_context_states state; @@ -635,7 +617,7 @@ enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_n return SCI_SUCCESS; case SCI_RNC_TX_SUSPENDED: case SCI_RNC_TX_RX_SUSPENDED: - scic_sds_remote_node_context_resume(sci_rnc, NULL, NULL); + sci_remote_node_context_resume(sci_rnc, NULL, NULL); return SCI_SUCCESS; default: dev_warn(scirdev_to_dev(rnc_to_dev(sci_rnc)), |